﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;

namespace Xceed.Silverlight.Data
{
  internal sealed class GroupExpansionState
  {
    #region Constructor

    internal GroupExpansionState( DataPath path, GroupState state )
    {
      if( path == null )
        throw new ArgumentNullException( "path" );

      if( !Enum.IsDefined( typeof( GroupState ), state ) )
        throw new ArgumentException( "Invalid value.", "state" );

      m_path = path;
      m_state = state;
    }

    #endregion

    #region Path Property

    internal DataPath Path
    {
      get
      {
        return m_path;
      }
    }

    private readonly DataPath m_path;

    #endregion

    #region State Property

    internal GroupState State
    {
      get
      {
        return m_state;
      }
    }

    private readonly GroupState m_state;

    #endregion
  }
}
